Solve for the requested variable without determining the constant of variation, k. Use the fact that if 
and 
then 
so that 
Assuming that y varies directly as the cube of x, and y = 25 when x = 5, find y when x = 3.
A. y = 
B. y = 15
C. y = 
D. y = 
Answer: A
You might also like to view...
Solve the problem.If the area of the seed triangle in the construction of the Koch snowflake is 10, then the area of the Koch snowflake is
A. 20. B. infinite. C. 0. D. 16. E. none of these
Translate the situation into mathematical language. You need not actually solve the problem.Dan's scores on five tests are 95, 87, 89, 82, and 75. What must the score on his next test be so that the average will be 90?
A. Let p be the score on the next test; 
= p
B. Let p be the score on the next test; 
= 90
C. Let p be the score on the next test; 
= 90
D. Let p be the score on the next test; 
= 90
Solve using matrices. x + y + z - w = 9 w + x + y - z = 1 2x + 3y + z + w = 183w - x + y + 2z = 12
A. (0, 3, 0, 2) B. (1, 3, 2, 5) C. (2, 3, 5, 1) D. (3, 2, 1, 5)
Find the probability of the given event.A single fair die is rolled. The number on the die is a multiple of 3.
A. 
B. 
C. 
D. 